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The fracture of piezoelectric materials is more closely studied as they have been more widely used in engineering.

随着压电材料在工程实际中的广泛应用，其力电行为和断裂问题的研究显得越来越重要。

In this paper a simple but pratical method was presented, which makes use of piezoelectric ceramics piezoelectricity to modulate the fiber-optic sensor.

本文给出了一种简单实用的方法，利用压电陶瓷晶体的压电特性结合PID电路技术对光纤进行调制。

Through the creative research of piezoelectricity of quartz-bearing rocks, the modulus of most kinds of the rocks are given out.

同时还开创性地对含石英岩石的压电性进行了测试研究，得出各类岩石的压电模数值

Gentleness:Getting rid of radiation caused by infrared lighting tube and heater strip from ordinary dryer, plastisol ink's original style including the effect of color and shape could not be transformed.

柔和：由于免除了普通电烘炉电发热丝和红外灯管的辐照，油墨的原始风格不会改变（如由哑光变高光，颜色和形状也不会发和改变。

Each amino acid has its own characteristic isoelectric point, where the net charge on the molecule is zero.

每个氨基酸都有自己的等电点，等电点的条件是净电荷为零。

The electrical characteristics of SiC MOS devices are studied by solving the Poisson's equation.

通过对电中性条件和泊松方程的数值求解，研究了SiC MOS的电特性。

Airflow distribution is one of the important factors affecting the performance of electrostatic precipitator and airflow distribution technology can improve the efficiency effectively and economically.

气流分布状态是影响电除尘器除尘效率的几个重要因素之一，气流分布技术能经济、有效地提高原有电除尘器的除尘效率。

The microstructure, ferroelecticity and pyroelectricity of the composite were studied.

完成了对复合材料样品的形态、微结构、铁电性和热释电性的表征。

The position of radioactive source in the chamber has no remarkable influence on the measurement.

结果表明，当电极板间距离小于两倍α粒子飞行距离时，测量结果随电极板距离的增大而微弱增大，电离室中放射源的位置对测量结果影响不显著。

A measurement method of the reflection coefficient of the radome electrical thickness has been introduced.

利用短路波导法测量了材料介电常数和损耗角正切，测量结果显示：介电常数测量的精度和稳定度较高，损耗正切的测量误差较大。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。